Decorative sock



FIG. 1 is a perspective view of a decorative sock according to my design;

FIG. 2 is a side view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a perspective view of another embodiment of a decorative sock according to my design;

FIG. 5 is a side view thereof; and,

FIG. 6 is a top view thereof. 

The ornamental design for a decorative sock, as shown and described. 